Home / 371,827.68-513,119.85-202,061.82

Finding the Fourth Proportional to 371,827.68, 513,119.85 and 202,061.82

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Solution

The fourth proportional to 371,827.68, 513,119.85 and 202,061.82 is: 278,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,827.68 : 513,119.85 = 202,061.82 : x
  2. Step 2: Convert to fraction form
    371,827.68/513,119.85 = 202,061.82/x
  3. Step 3: Cross multiply
    371,827.68x = 513,119.85 × 202,061.82
  4. Step 4: Simplify right side
    371,827.68x = 103,681,930,769.13
  5. Step 5: Solve for x
    x = 103,681,930,769.13/371,827.68
  6. Step 6: Final answer
    x = 278,844.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.